<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
    <form action="/upload" method="post" enctype="multipart/form-data">
        姓名:<input name="username" type="text"/> <br>
        年龄:<input name="age" type="text"/> <br>
        上传:<input name="image" type="file"/><br>
        <input value="提交" type="submit"/><br>

    </form>

</body>
</html>